html,body{
    width: 100%;
    height: 100%;
}
*{
    margin: 0;
    padding: 0;
}
body{
    display: flex;
    flex-direction: column;
}
header{
    width: 41.4rem;
    height: 4.4rem;
    background: #f8f8f8;
}
.title{
    text-align: center;
    line-height: 4.4rem;
    font-size: 1.8rem;
}
main{
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}
.bgimg{   
    width: 80.8rem;
    height: 100%;
    background: skyblue;
    background: url('../img/advertisement-bg.jpg') no-repeat;
    background-size: 160% 100%;
    background-position:-45rem;
}
.skip{
    display: flex;
    position: absolute;
    top: 2.8rem;
    right: 1.4rem;
    width: 10.5rem;
    height: 4rem;
    background: #fff;
    border-radius: 2rem;
}
.time,.skip_btn{
    line-height: 3rem;
    font-size: 1.6rem; 
    text-align: center; 
}
.time{
    width: 4rem;
    height: 3rem;
    margin-top: 0.5rem;
    /* background: skyblue; */
    border-right: 1px solid #ccc;
}
.skip_btn{
    width: 6rem;
    height: 3rem;
    margin-top: 0.5rem;
    /* background: skyblue; */
}
.animate__animated{
    width: 100%;
    text-align: center;
    position: absolute;
    bottom: 12.4rem;
    color: #fff ;
    font-weight: 600;
    font-size: 4.8rem;
    --animate-duration: 3s;
}